Who's running 2 pot calipers front and rear? - Page 7 - LotusTalk - The Lotus Cars Community
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post #121 of 178 (permalink) Old 01-15-2018, 06:22 AM
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Looks like calipers are going to cost a pretty penny, at least from Stillen

CP5317 - $332
CP5316 - $420

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Group buy? That seems in line with prices I've seen and still cheaper than buying new stock calipers.
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post #122 of 178 (permalink) Old 01-15-2018, 09:06 AM Thread Starter
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Yes, new stock 2 pots are like $550 ish. I've got a little heart burn over the smaller piston caliper costing nearly $100 more per caliper. Group buy discount with small numbers might be 5-10% tops i'm guessing, which is still significantly more costly. And if you factor in that there are a bunch of used calipers on the market, likely selling for $225 - $300 per caliper....

All of a sudden i find myself a little more willing to give the OEM calipers with a different compound a chance.. maybe a XP10/8 combo or something. I'd rather have the CP5316 based on the conversation we've had here, but not sure if I want to spend $900 for it.

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post #123 of 178 (permalink) Old 01-15-2018, 10:34 AM
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Yes, new stock 2 pots are like $550 ish.
Have you found them for $550 per pair or $550 each? On Eliseparts, they're $1050 (minus shipping) for the pair. At $550 for a pair, that'd be a good price.

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post #124 of 178 (permalink) Old 01-15-2018, 10:59 AM Thread Starter
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Have you found them for $550 per pair or $550 each? On Eliseparts, they're $1050 (minus shipping) for the pair. At $550 for a pair, that'd be a good price.
I split the difference on the EP pricing. They have black's for $1050, then they have the grey's for $1150. But I don't see much of a reason to buy new calipers up front given that many people move on to the 4 pots and sell their old calipers in great condition. Unless stated specifically, i'm pricing per caliper

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post #125 of 178 (permalink) Old 01-15-2018, 11:59 AM
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Originally Posted by jds62f View Post
Looks like calipers are going to cost a pretty penny, at least from Stillen

CP5317 - $332
CP5316 - $420

+ Freight
Considering they're cheaper than stock, I'm okay with this. Also, my guess is the CP5316 is more expensive because of the lower volume. Let me know if you think Stillen is interested in a group buy. Otherwise, please send me contact information as I'll probably go for the CP5316.

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post #126 of 178 (permalink) Old 01-15-2018, 12:44 PM
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Are the CP5317 a perfect fit like the CP5316?
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post #127 of 178 (permalink) Old 01-15-2018, 01:32 PM Thread Starter
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Are the CP5317 a perfect fit like the CP5316?
AP racing has full CAD drawings on them. It appears they are the same caliper with different piston bore sizes.

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post #128 of 178 (permalink) Old 01-15-2018, 04:49 PM
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AP racing has full CAD drawings on them. It appears they are the same caliper with different piston bore sizes.

I might have missed it but is there any reason why you wouldn't go with the bigger bore size?
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post #129 of 178 (permalink) Old 01-15-2018, 08:18 PM
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I might have missed it but is there any reason why you wouldn't go with the bigger bore size?
The smaller pistons are a safer choice from a bias standpoint. The CP5317 is perhaps a couple percentage points too rear biased, while the CP5316 is perhaps a couple percentage points too front biased. In the end, it comes down to driving style and preferences.

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post #130 of 178 (permalink) Old 01-16-2018, 09:32 AM Thread Starter
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Considering they're cheaper than stock, I'm okay with this. Also, my guess is the CP5316 is more expensive because of the lower volume. Let me know if you think Stillen is interested in a group buy. Otherwise, please send me contact information as I'll probably go for the CP5316.
they can do 5% on 3 or more on one order, which means a single shipping address. If there is another person willing to buy we could calculate what that would cost everyone (as someone would have to receive all 3 and then mail out 2).

Anyone out there interested?

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post #131 of 178 (permalink) Old 01-16-2018, 10:36 AM
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they can do 5% on 3 or more on one order, which means a single shipping address. If there is another person willing to buy we could calculate what that would cost everyone (as someone would have to receive all 3 and then mail out 2).

Anyone out there interested?
I would be interested. Guessing saving $40 a pair would cover the extra shipping but maybe not by much.
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post #132 of 178 (permalink) Old 01-20-2018, 04:17 PM
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Larger MC Search Update

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The difference is that I have the "Ultimate GT" model in the rear, which are designed to take 2 calipers. My guess is that they move the radial caliper mount to the forward position and keep the slider mount in the stock location because it's easier to reroute the hydraulic line than it is reroute the handbrake cable.

Yes, please do post about the larger MC when you have more info. TIA, -Ed
A VW forum post about a PnP MC put me on this track as our MC is used also on some VWs and Audis. Turns out that they have a different definition of plug-and-play than I do. Specs for our MC are 23.8mm bore (15/16”) and two M12x1 ports. The 1” MC that the VW folks say is pnp turns out to be 25.4/17.5mm stepped bore and 4 ports rather than 2 (not a big problem - simply plug 2) but ports also are listed as stepped (12x1 and 10x1 but not obvious in photo). Additionally, the mounting is clocked differently. So the stepped bore makes it a no-go for our purposes

Photos below — our MC is first. BTW, the OEM supplier in their aftermarket catalog does not show their MC on the Elise/Exige (FTE H23967.0.1). Similar to to AP and the S240 front brakes.

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post #133 of 178 (permalink) Old 01-22-2018, 09:39 PM
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Anyone else considering replacing all four calipers? A pair of 5317s up front and a pair of 5316s at the rear. This would shift braking bias rearward and keep brake pedal travel similar to stock. Might be feasible to offload the OE fronts in the classified section to help offset the cost.

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post #134 of 178 (permalink) Old 01-23-2018, 02:49 AM
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I run the stock 2 pots in front, and two Cp5317 in rear, and the pedal feel is close to the stock or better. The pedal travel is not only function of the piston size, but also function of the caliper play. The stock rear play quite a lot when the pads start to be taper.

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post #135 of 178 (permalink) Old 02-05-2018, 05:15 AM
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Just throwing this out there, but I know a guy that has 10 *NEW* sets of the 2-pot front calipers that he'd sell at a good price.

What would be a good price for a new set?

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Last edited by VisualEchos; 02-05-2018 at 06:32 AM.
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post #136 of 178 (permalink) Old 02-16-2018, 07:20 AM
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Just throwing this out there, but I know a guy that has 10 *NEW* sets of the 2-pot front calipers that he'd sell at a good price.

What would be a good price for a new set?
I do not know, but I am interested in one set.

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post #137 of 178 (permalink) Old 02-16-2018, 08:17 AM
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I might be as well depending
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post #138 of 178 (permalink) Old 02-16-2018, 08:31 AM
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count me in as well. dependin on price as well?

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post #139 of 178 (permalink) Old 02-16-2018, 12:36 PM
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Basically the way it was laid out to me is that I would have to buy at least 6 sets, at a discount, then sell them to you guys. What would be a good price for a new set? Don't they go for $500-$600 used?

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post #140 of 178 (permalink) Old 02-16-2018, 01:13 PM Thread Starter
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Originally Posted by VisualEchos View Post
Basically the way it was laid out to me is that I would have to buy at least 6 sets, at a discount, then sell them to you guys. What would be a good price for a new set? Don't they go for $500-$600 used?
I have 3 sets and I've never paid over $500 for a set (used). I'm guessing you had a quick look at ebay? The asking prices out there are $300 a caliper, I've always been content to look elsewhere.

"Give a man a match, and he'll be warm for a minute, but set him on fire, and he'll be warm for the rest of his life."

Last edited by jds62f; 02-16-2018 at 01:30 PM.
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